<template>
  <div>
    <loader v-if="isLoading"></loader>
    <router-view></router-view>
  </div>
</template>

<script lang="ts">
import { defineComponent,computed } from "vue";
import loader from "@/components/loader.vue"
import store from "@/store/index"
export default defineComponent({
  name: "App",
  components:{
    loader
  },
  setup() {
    // // 在页面加载时读取sessionStorage里的状态信息
    // if (sessionStorage.getItem('store')) {
    //   store.replaceState(Object.assign({}, store.state, JSON.parse(sessionStorage.getItem('store'))))
    // }

    // // 在页面刷新时将vuex里的信息保存到sessionStorage里
    // window.addEventListener('beforeunload', () => {
    //   sessionStorage.setItem('store', JSON.stringify(store.state))
    // })
  
    const isLoading = computed(()=>{ return store.state.isLoading})
    return{
      isLoading
    }
  }
});
</script>

<style>
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding: 0;
  /* text-align: center;
  color: #2c3e50;
  margin-top: 60px; */
}
</style>
